142394158666 has 16 divisors (see below), whose sum is σ = 218912785344. Its totient is φ = 69428598624.

The previous prime is 142394158633. The next prime is 142394158681. The reversal of 142394158666 is 666851493241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288710 + ... + 1394833.

It is an arithmetic number, because the mean of its divisors is an integer number (13682049084).

Almost surely, 2^142394158666 is an apocalyptic number.

142394158666 is a deficient number, since it is larger than the sum of its proper divisors (76518626678).

142394158666 is a wasteful number, since it uses less digits than its factorization.

142394158666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684205.

The product of its digits is 7464960, while the sum is 55.

The spelling of 142394158666 in words is "one hundred forty-two billion, three hundred ninety-four million, one hundred fifty-eight thousand, six hundred sixty-six".